55828431845 has 8 divisors (see below), whose sum is σ = 67011288864. Its totient is φ = 44651298384.

The previous prime is 55828431809. The next prime is 55828431863. The reversal of 55828431845 is 54813482855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55828431845 - 2¹⁸ = 55828169701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409399 + ... + 1448468.

It is an arithmetic number, because the mean of its divisors is an integer number (8376411108).

Almost surely, 2^55828431845 is an apocalyptic number.

It is an amenable number.

55828431845 is a deficient number, since it is larger than the sum of its proper divisors (11182857019).

55828431845 is a wasteful number, since it uses less digits than its factorization.

55828431845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861779.

The product of its digits is 6144000, while the sum is 53.

The spelling of 55828431845 in words is "fifty-five billion, eight hundred twenty-eight million, four hundred thirty-one thousand, eight hundred forty-five".